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From: Archit Taneja <architt@codeaurora.org>
To: robdclark@gmail.com
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
	Archit Taneja <architt@codeaurora.org>
Subject: [PATCH 0/2] drm/msm: Fixes for issues seen on DB410c
Date: Tue, 25 Oct 2016 12:17:58 +0530	[thread overview]
Message-ID: <1477378080-16087-1-git-send-email-architt@codeaurora.org> (raw)

The ADV7533 driver and DT bindings for MDSS hardware are both available
in 4.9, which is sufficient to boot with HDMI display on DB410c.

With the drm/msm and ADV7533 enabled, the system hangs during boot.
One reason is that the PLL driver tries to access registers without
the necessary interface clocks enabled. The other reason is a
deadlock caused by calling drm_hpd_helper_irq_event in a context
that might already hold drm_device's mode_config.mutex.

Archit Taneja (2):
  drm/msm/dsi: Queue HPD helper work in attach/detach callbacks
  drm/msm: Don't provide 'is_enabled' PLL clk_ops

 drivers/gpu/drm/msm/dsi/dsi_host.c              | 14 ++++++++++++--
 drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c      | 10 ----------
 drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c | 10 ----------
 drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c        | 13 -------------
 4 files changed, 12 insertions(+), 35 deletions(-)

-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

             reply	other threads:[~2016-10-25  6:47 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-25  6:47 Archit Taneja [this message]
2016-10-25  6:47 ` [PATCH 1/2] drm/msm/dsi: Queue HPD helper work in attach/detach callbacks Archit Taneja
2016-10-25  6:48 ` [PATCH 2/2] drm/msm: Don't provide 'is_enabled' PLL clk_ops Archit Taneja
2016-10-25 20:28   ` Stephen Boyd
2016-10-26  7:36     ` Archit Taneja
2016-10-27  6:27   ` [PATCH v2 2/2] drm/msm: Set CLK_IGNORE_UNUSED flag for PLL clocks Archit Taneja
2016-10-27 23:58     ` Stephen Boyd

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